Pronunciation: (al'ē OOp'), [key]
(used as a shout of encouragement, exhortation, or the like, esp. when coordinating efforts to lift a heavy object.)
Basketball.a quick-score play in which a high, arching pass is made to a teammate close to the basket, who leaps to catch the ball and in midair drops or stuffs it through the basket.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.